Toilet seat hinge



FIG. 1 is a perspective view of a toilet seat hinge showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image of that shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a toilet seat hinge, as shown and described. 